Human Vasopressin / Antidiuretic Hormone ELISA Kit
- SKU:
- HUFI02181
- Product Type:
- ELISA Kit
- Size:
- 96 Assays
- Uniprot:
- P01185
- Sensitivity:
- 0.188pg/ml
- Range:
- 0.313-20pg/ml
- ELISA Type:
- Competitive
- Synonyms:
- ADH, VP, AVP
- Reactivity:
- Human
Frequently bought together:
Description
| Product Name: | Human Vasopressin / Antidiuretic Hormone ELISA Kit |
| Product Code: | HUFI02181 |
| Size: | 96 Assays |
| Alias: | ADH, VP, AVP |
| Detection method: | Competitive ELISA, Coated with Antibody |
| Application: | This immunoassay kit allows for the in vitro quantitative determination of Human ADH concentrations in serum plasma and other biological fluids. |
| Sensitivity: | 0.188pg/ml |
| Range: | 0.313-20pg/ml |
| Storage: | 4°C for 6 months |
| Note: | For Research Use Only |
| Recovery: | Matrices listed below were spiked with certain level of Human ADH and the recovery rates were calculated by comparing the measured value to the expected amount of Human ADH in samples. | ||||||||||||||||
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| Linearity: | The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Human ADH and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected. | ||||||||||||||||
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| CV(%): | Intra-Assay: CV<8% Inter-Assay: CV<10% |
| Component | Quantity | Storage |
| ELISA Microplate(Dismountable) | 8×12 strips | 4°C for 6 months |
| Lyophilized Standard | 2 | 4°C/-20°C |
| Sample/Standard Dilution Buffer | 20ml | 4°C |
| Biotin-labeled Antibody(Concentrated) | 60ul | 4°C (Protect from light) |
| Antibody Dilution Buffer | 10ml | 4°C |
| HRP-Streptavidin Conjugate(SABC) | 120ul | 4°C (Protect from light) |
| SABC Dilution Buffer | 10ml | 4°C |
| TMB Substrate | 10ml | 4°C (Protect from light) |
| Stop Solution | 10ml | 4°C |
| Wash Buffer(25X) | 30ml | 4°C |
| Plate Sealer | 5 | - |
Other materials and equipment required:
- Microplate reader with 450 nm wavelength filter
- Multichannel Pipette, Pipette, microcentrifuge tubes and disposable pipettetips
- Incubator
- Deionized or distilled water
- Absorbent paper
- Buffer resevoir
| Uniprot | P01185 |
| UniProt Protein Function: | AVP: Neurophysin 2 specifically binds vasopressin. Defects in AVP are the cause of diabetes insipidus, neurohypophyseal (NDI). A disease characterized by persistent thirst, polydipsia and polyuria. Affected individuals are apparently normal at birth, but characteristically develop symptoms of vasopression deficiency during childhood. Belongs to the vasopressin/oxytocin family. |
| UniProt Protein Details: | Protein type:Secreted; Secreted, signal peptide; Hormone Chromosomal Location of Human Ortholog: 20p13 Cellular Component: cytosol; dendrite; extracellular region; extracellular space; secretory granule Molecular Function:caspase inhibitor activity; neurohypophyseal hormone activity; neuropeptide hormone activity; protein kinase activity; receptor binding; signal transducer activity; V1A vasopressin receptor binding; V1B vasopressin receptor binding Biological Process: cell-cell signaling; circadian rhythm; elevation of cytosolic calcium ion concentration; generation of precursor metabolites and energy; grooming behavior; hyperosmotic salinity response; locomotory behavior; maternal behavior; negative regulation of apoptosis; negative regulation of caspase activity; negative regulation of female receptivity; negative regulation of transmission of nerve impulse; penile erection; positive regulation of cAMP biosynthetic process; positive regulation of cell growth; positive regulation of cell proliferation; positive regulation of cellular pH reduction; positive regulation of glutamate secretion; positive regulation of peptidyl-serine phosphorylation; positive regulation of prostaglandin biosynthetic process; positive regulation of systemic arterial blood pressure; positive regulation of vasoconstriction; renal water homeostasis; response to ethanol; response to nicotine; response to testosterone stimulus; signal transduction; social behavior; sodium-independent organic anion transport; transmembrane transport; vasoconstriction; water transport Disease: Diabetes Insipidus, Neurohypophyseal |
| NCBI Summary: | This gene encodes a member of the vasopressin/oxytocin family and preproprotein that is proteolytically processed to generate multiple protein products. These products include the neuropeptide hormone arginine vasopressin, and two other peptides, neurophysin 2 and copeptin. Arginine vasopressin is a posterior pituitary hormone that is synthesized in the supraoptic nucleus and paraventricular nucleus of the hypothalamus. Along with its carrier protein, neurophysin 2, it is packaged into neurosecretory vesicles and transported axonally to the nerve endings in the neurohypophysis where it is either stored or secreted into the bloodstream. The precursor is thought to be activated while it is being transported along the axon to the posterior pituitary. Arginine vasopressin acts as a growth factor by enhancing pH regulation through acid-base transport systems. It has a direct antidiuretic action on the kidney, and also causes vasoconstriction of the peripheral vessels. This hormone can contract smooth muscle during parturition and lactation. It is also involved in cognition, tolerance, adaptation and complex sexual and maternal behaviour, as well as in the regulation of water excretion and cardiovascular functions. Mutations in this gene cause autosomal dominant neurohypophyseal diabetes insipidus (ADNDI). This gene is present in a gene cluster with the related gene oxytocin on chromosome 20. [provided by RefSeq, Nov 2015] |
| UniProt Code: | P01185 |
| NCBI GenInfo Identifier: | 13259533 |
| NCBI Gene ID: | 551 |
| NCBI Accession: | NP_000481.2 |
| UniProt Secondary Accession: | P01185,O14935, A0AV35, |
| UniProt Related Accession: | P01185 |
| Molecular Weight: | 17,325 Da |
| NCBI Full Name: | vasopressin-neurophysin 2-copeptin preproprotein |
| NCBI Synonym Full Names: | arginine vasopressin |
| NCBI Official Symbol: | AVPÂ Â |
| NCBI Official Synonym Symbols: | VP; ADH; ARVP; AVRP; AVP-NPIIÂ Â |
| NCBI Protein Information: | vasopressin-neurophysin 2-copeptin |
| UniProt Protein Name: | Vasopressin-neurophysin 2-copeptin |
| UniProt Synonym Protein Names: | AVP-NPII |
| Protein Family: | Vasopressin-neurophysin 2-copeptin |
| UniProt Gene Name: | AVPÂ Â |
| UniProt Entry Name: | NEU2_HUMAN |
*Note: Protocols are specific to each batch/lot. For the correct instructions please follow the protocol included in your kit.
Equilibrate the TMB substrate for at least 30 min at 37°C beforeuse. When diluting samples and reagents, they must be mixed completely andevenly. It is recommended to plot a standard curve for each test.
| Step | Protocol |
| 1. | Set standard, test sample and control (zero) wells on the pre-coatedplate respectively, and then, record their positions. It isrecommended to measure each standard and sample in duplicate. Washplate 2 times before adding standard, sample and control (zero) wells! |
| 2. | Add Sample and Biotin-detection antibody: Add 50µL of Standard, Blank or Sample per well. The blankwell is added with Sample Dilution Buffer. Immediately add 50 µL of biotin-labelled antibody workingsolution to each well. Cover with the plate sealer provided. Gently tap the plate to ensure thoroughmixing. Incubate for 45 minutes at 37°C. (Solutions are added to the bottom of micro-ELISA platewell, avoid touching plate walls and foaming). |
| 3. | Wash: Aspirate each well and wash, repeating the process three timesWash by filling each well with Wash Buffer (approximately 350µL)using a squirt bottle, multi-channel pipette, manifold dispenser orautomated washer. Complete removal of liquid at each step is essentialto good performance. After the last wash, remove any remaining WashBuffer by aspirating or decanting. Invert the plate and pat it againstthick clean absorbent paper. |
| 4. | HRP-Streptavidin Conjugate(SABC): Add 100µL of SABC workingsolution to each well. Cover with a new Plate sealer. Incubate for30minutes at 37°C. |
| 5. | Wash: Repeat the aspiration/wash process for five times. |
| 6. | TMB Substrate: Add 90µL of TMB Substrate to each well. Coverwith a new Plate sealer. Incubate for about 10-20 minutes at 37°C.Protect from light. The reaction time can be shortened or extendedaccording to the actual color change, but not more than 30minutes.When apparent gradient appeared in standard wells, you can terminatethe reaction. |
| 7. | Stop: Add 50µL of Stop Solution to each well. Color turn toyellow immediately. The adding order of stop solution should be as thesame as the substrate solution. |
| 8. | OD Measurement: Determine the optical density (OD Value) of each wellat once, using a microplate reader set to 450 nm. You should open themicroplate reader ahead, preheat the instrument, and set the testing parameters. |
When carrying out an ELISA assay it is important to prepare your samples in order to achieve the best possible results. Below we have a list of procedures for the preparation of samples for different sample types.
| Sample Type | Protocol |
| Serum | If using serum separator tubes, allow samples to clot for 30 minutes at room temperature. Centrifuge for 10 minutes at 1,000x g. Collect the serum fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles. If serum separator tubes are not being used, allow samples to clot overnight at 2-8°C. Centrifuge for 10 minutes at 1,000x g. Remove serum and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles. |
| Plasma | Collect plasma using EDTA or heparin as an anticoagulant. Centrifuge samples at 4°C for 15 mins at 1000 × g within 30 mins of collection. Collect the plasma fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles. Note: Over haemolysed samples are not suitable for use with this kit. |
| Urine & Cerebrospinal Fluid | Collect the urine (mid-stream) in a sterile container, centrifuge for 20 mins at 2000-3000 rpm. Remove supernatant and assay immediately. If any precipitation is detected, repeat the centrifugation step. A similar protocol can be used for cerebrospinal fluid. |
| Cell culture supernatant | Collect the cell culture media by pipette, followed by centrifugation at 4°C for 20 mins at 1500 rpm. Collect the clear supernatant and assay immediately. |
| Cell lysates | Solubilize cells in lysis buffer and allow to sit on ice for 30 minutes. Centrifuge tubes at 14,000 x g for 5 minutes to remove insoluble material. Aliquot the supernatant into a new tube and discard the remaining whole cell extract. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C. |
| Tissue homogenates | The preparation of tissue homogenates will vary depending upon tissue type. Rinse tissue with 1X PBS to remove excess blood & homogenize in 20ml of 1X PBS (including protease inhibitors) and store overnight at ≤ -20°C. Two freeze-thaw cycles are required to break the cell membranes. To further disrupt the cell membranes you can sonicate the samples. Centrifuge homogenates for 5 mins at 5000xg. Remove the supernatant and assay immediately or aliquot and store at -20°C or -80°C. |
| Tissue lysates | Rinse tissue with PBS, cut into 1-2 mm pieces, and homogenize with a tissue homogenizer in PBS. Add an equal volume of RIPA buffer containing protease inhibitors and lyse tissues at room temperature for 30 minutes with gentle agitation. Centrifuge to remove debris. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C. |
| Breast Milk | Collect milk samples and centrifuge at 10,000 x g for 60 min at 4°C. Aliquot the supernatant and assay. For long term use, store samples at -80°C. Minimize freeze/thaw cycles. |
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